Modular Sound Systems, INC.

What they make

• loudspeaker systems
• amplifiers
• acoustical products
• auditoriums
• theaters
• clubs
• restaurants
• fitness facilities
• hotels
• houses
• museums

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Where it is

Other plants nearby

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Otto Engineering INC	Carpentersville	Relay and Industrial Control Manufacturing 335314	● ACTIVE	7.1 KM
Sensear INC	West Dundee	Telephone Apparatus Manufacturing 334210	● ACTIVE	10.7 KM
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CWCts Wireless Components	Bloomingdale	Audio and Video Equipment Manufacturing 334310	◇ UNVERIFIED	28.8 KM
DDDigital Design Company LLC	Arlington Heights	Audio and Video Equipment Manufacturing 334310	▲ REPORTED CLOSED	25.2 KM

Every listed plant in McHenry County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 11 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record KMZNTHEFX5E6 · first seen NOV 2025 · last seen SEP 2026
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record IL|algonquin|1201 armstrong st · first seen MAY 2020 · last seen MAY 2020
• SBA 7(a) and 504 loan recordsEXISTENCE
  first seen MAR 2015 · last seen MAR 2015

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

SAM.gov: MODULAR SOUND SYSTEMS, INC. · SEP 2026

Street address

SAM.gov: 1201 ARMSTRONG ST UNIT A · SEP 2026

City

SAM.gov: ALGONQUIN · SEP 2026

State

SAM.gov: IL · SEP 2026

Coordinates

Census geocoder: 42.172140949784,-88.303730184085 · JUL 2026

Employees (band)

SBA PPP: 1-19 · MAY 2020

Website

Company website: bagend.com · JUL 2026 · ON THIS PAGE

SAM.gov: bagend.com · SEP 2026 · ON THIS PAGE

CAGE code

SAM.gov: 6XUF4 · SEP 2026

PPP loan

SBA PPP: PPP loan x1, approved 2020-05-01, 8 jobs reported · MAY 2020

SAM registration expires

SAM.gov: 2027-09-25 · SEP 2026

SBA loans

SBA: 7a loan x1, jobs 9.0 · MAR 2015